Kerria japonica, commonly named Kerria or Japanese Yellow Rose )the sole species in the genus Kerria), is a deciduous shrub in the rose family Rosaceae, native to eastern Asia, in China, Japan and Korea. It is named after William Kerr, who introduced the cultivar 'Pleniflora'. The scientific genus name is also used as a common name Kerria. Kerria is a very popular ornamental plant in gardens, often using the double-flowered cultivar 'Pleniflora'.
Description[edit | edit source]
It grows to 1–3 m tall, with weak arching stems often scrambling over other vegetation or rocks. The leaves are alternate, simple, 4–7 cm long, with a sharply serrated margin. The flowers are golden yellow, with five petals. The fruit is a dry single-seeded achene 5 mm long.
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